Saddlebag for a motorcycle



FIG. 1 is a front perspective view of a saddlebag for a motorcycle showing our new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side elevation view thereof; and,

FIG. 6 is a left side elevation view thereof.

The dotted lines illustrate stitching, which forms part of the claimed design. 

The ornamental design for, a saddlebag for a motorcycle, as shown and described. 